## Functions Modeling Change: A Preparation for Calculus, 5th Edition

$$g=6,\:g=-4$$
Completing the square to solve the equation, we find: $$\left(g-1\right)^2-24-\left(-1\right)^2 \\ \left(g-1\right)^2-25 \\ \left(g-1\right)^2=25 \\ g=6,\:g=-4$$